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Stumble Detection in Prosthetic Limbs

University of Rhode Island Professor of Biomedical Engineering Helen Huang is leading a study to develop a computer-controlled prosthetic leg that can aid in stumble detection. The study is a collaborative effort between URI, Brown University and Nunnery Orthotics and Prosthetic Technologies in North Kingstown, RI With the number of lower limb amputees growing in this country, the research is playing a vital role in improving the lives of amputees.

Learn how and why liquid mixture is poured over the unfinished socket when making prosthetics with expert tips on how to make artificial limbs in this free online prostheses video clip. Expert: Tony Kapechuk Bio: Tony Kapechuk is an Orthotic and Prosthetic Technician who spent three years at Hanger Prosthetics and the past two at Koebers Prosthetic and Orthotic Labs. Filmmaker: Brian Keller
Video Rating: 4 / 5

21 Responses to “Stumble Detection in Prosthetic Limbs”

  1. katheryncruz24 says:

    Very good.

  2. NRELab says:

    @alpikecp Thank you for your input. Could you let us know what kind of patients would be the best for this kind of study based on your experiences? you may send your comments to Thanks again for the comments.

  3. NRELab says:

    That is a very good point. This subject is very active, believe or not,. She is a frequent prosthesis user. Because of her age, fall is a threat to her.

  4. yourcamden says:

    Because all amputees come from wars? ?  What about amputees from accidents such as from vehicle crashes?

  5. Volf2008 says:

    I thought the point of this was to develop a system that detects stumbling? How do you run tests using a subject that never stumbles?

  6. Volf2008 says:

    Because all amputees come from wars? Because only war amputees can benefit form new technology/techniques? Because there’s a clear and achievable way to end wars without diving into the realm of fantasy, or ignoring coexisting problems? Is the better path to go back to how it was, where the government ignored amputees from wars? I think you need to take a look at the whole picture.

  7. yourcamden says:

    While I welcome any improvement with Prosthetic Limbs, surely ending wars would be a better solution for all concerned.

  8. alpikecp says:

    Im sorry, but one of the problems with prosthetics research is poor candidate selection. A candidate who able to walk properly on a prosthesis is less prone to stumble.
    This is my opinion based on 45 years as prosthetist that has included work in prosthetics research.

  9. alpikecp says:

    Not a very good candidate for the study.

  10. fabiomist282 says:

    Black T-Shirt: Fabian Sierra, B.S. EE;
    Black Shirt: Andrew Burke, B.S. B.M.E. & EE;
    White T-Shirt: Fan Zhang, M.S. B.M.E.

  11. acfixerdude says:

    Man, wouldn’t it be nice if these videos were titled so we could tell what order to watch them…

  12. saveburmanowsf says:

    NOVEMBER 13, 2010

    Thank you expert village for creating these videos on:
    How To Make A Prosthetic Leg.
    I am a supporter of MAE TAO CLINIC in Mae Sot Thailand
    The Military Junta in Burma lays more land mines than any place in the world…
    MAE TAO CLINIC is the top clinic in the world for prosthesis.
    Taking care of so many ethnic hill tribes people who are victims of the Burma Army’s CRIMES AGAINST HUMANITY.

  13. hbailla says:

    he used a lot of resine , with a very long PVA

  14. mannbrad1 says:

    well done.

  15. mattp1996 says:

    Hi Tony. I am starting a small prosthesis clinic in Bolivia and I would like to use only locally available materials. One problem I am encounter is good details how to make a PVA ‘sleeve’ — or maybe it is called a bag. Do you have any videos on this subject?

  16. rodstartube says:

    that resing is very expensive

  17. mkdupy says:

    and for that you charge 5000.00 dollar for this, is the resin made out of gold?

  18. Uppertank16 says:

    I can’t believe he doesn’t have air in his lamo’s, he
    strings his resin so fast!!!!!. and doesn’t his resin choke off his vacuum at the bottom , I never allow
    my resin to go that low on a cast . Maybe its a time thing to keep the videos short ? I’d be very
    interested to see this socket up close !!!!

  19. feuchster says:

    what is he doing wrong?

  20. zzdakota says:

    What gets me is that in school we are being taught to use medical terminalogy for postions of the body and areas of a prosthetic and he doesn’t use any. Makes me wonder how many centers are doing the same.

  21. quaheedus says:

    that’s the same thing i was thinking ..most of us don’t know the names of the steps he is taking

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